/Engine/Plugins/FX/Niagara/Source/NiagaraShader/Public/NiagaraBatchedElements.h
FBatchedElementNiagara2DArrayAttribute ( const FIntVector4 & InAttributeSlices, [FGetTextureAndSamplerDelegate](API\Plugins\NiagaraShader\FBatchedElementNiagara2DArrayAtt-\FGetTextureAndSa-) InGetTextureAndSampler )